ICD code definitions

CPT® Code 99309: Subsequent Nursing Facility Care

September 9, 2026
3 min read
CPT® Code 99309

CPT® Code 99309 is used to report subsequent nursing facility care for a patient who requires evaluation and management during a stay in a nursing facility. The service involves addressing the patient's ongoing medical needs, including the evaluation of a new problem or changes in the patient's condition.

The service is typically provided by a physician or other qualified healthcare professional responsible for the patient's care in the nursing facility. CPT 99309 may be reported when the medical decision-making or other applicable requirements support the level of service.

Key Facts About CPT® 99309

  • Service type: Evaluation and management (E/M)
  • Setting: Nursing facility
  • Service: Subsequent nursing facility care
  • Typical use: Management of an established nursing facility patient with a new or worsening problem
  • Provider type: Physicians and other qualified healthcare professionals

Common clinical scenarios:

  • Evaluation of a new medical problem
  • Management of a worsening chronic condition
  • Follow-up of an acute illness
  • Medication management
  • Assessment of changes in clinical status
  • Ongoing management of complex medical conditions

When to Use CPT® 99309

CPT 99309 may be appropriate when:

  • The patient is receiving subsequent nursing facility care
  • The provider evaluates and manages the patient's condition
  • The visit involves a level of medical decision-making that supports 99309 under current CPT guidelines
  • A new problem, worsening condition, or other medically significant issue requires evaluation and management

Examples:

  • Evaluating a nursing facility resident who develops a new infection
  • Assessing a worsening chronic condition
  • Reviewing and adjusting medications in response to a change in the patient's condition
  • Evaluating new symptoms that require additional diagnostic workup or treatment

Documentation Requirements

To support CPT 99309 billing, documentation should include:

  • Patient identifiers and date of service
  • Reason for the encounter
  • Relevant history and clinical findings
  • Problems evaluated and managed
  • Medical decision-making and complexity
  • Data reviewed or analyzed, when applicable
  • Assessment and treatment plan
  • Medication changes or treatment recommendations, when applicable
  • Follow-up instructions
  • Provider signature and credentials

Documentation should accurately reflect the work performed and the complexity of the patient's medical needs.

Reimbursement and Coding Considerations

  • CPT 99309 is reported for subsequent nursing facility care
  • Current E/M coding for nursing facility services is generally based on medical decision-making or total time, as applicable under current CPT guidelines
  • The patient's condition and the work performed should support the level of service reported
  • Diagnosis codes should accurately represent the conditions evaluated and managed
  • Nursing facility E/M services have specific reporting requirements that should be followed
  • Payer policies may vary regarding documentation, frequency, and reimbursement

Always verify the current CPT guidelines and payer-specific requirements before submitting claims.

How OptiMantra Supports Nursing Facility Documentation

OptiMantra's integrated EMR and practice management system helps streamline documentation and billing for nursing facility E/M services.

With OptiMantra, providers can:

  • Document nursing facility encounters within the patient chart
  • Record new problems, symptoms, diagnoses, and clinical findings
  • Document medical decision-making and treatment plans
  • Link diagnoses to the patient's ongoing care plan
  • Maintain organized clinical documentation that supports E/M billing compliance and audit preparedness

By centralizing clinical documentation and patient information, OptiMantra helps providers maintain efficient workflows and comprehensive longitudinal records.

Try OptiMantra for free here!

Disclaimer: CPT® codes are maintained by the American Medical Association. This guide is for informational purposes only and does not replace official coding guidelines or payer policies.

Jessica Castro
Jessica Castro

Jessica is a Massachusetts-based LPN with 13+ years of experience in patient care, healthcare technology, and education. As the Implementation and Customer Success Manager at OptiMantra, she helps providers optimize EMR solutions for better workflows and patient outcomes. With a Bachelor's in Community Health and a Master's in Healthcare Innovation in progress, she is passionate about leveraging technology to improve care delivery. Through her writing, she shares insights on healthcare best practices, EHR optimization, and patient advocacy to support providers in delivering exceptional care.